Mona Lisa, an unusual young woman who has always known that she is different, is drawn to Gryphon, a mysterious man of unearthly beauty who arrives during her night shift in the E.R., and discovers that he, like herself, is a Monère, a child of the moon, and is introduced to the nighttime world of the Monère, one of calculated cruelty, intrigue, and casual lust. Reprint.